{
  "fix": "Python 3.13 3.13.10",
  "url": "https://patchblox.com/security/fix/windows-app/python.python.3.13-3.13.10",
  "summary": "Python 3.13 3.13.10, released December 2, 2025, fixes 3 CVEs in Python 3.13. None of them is reported as exploited. Patch Radar priority: High. The latest Python 3.13 is 3.13.17, which also fixes every one of these CVEs.",
  "platform": "windows-app",
  "type": "app-version",
  "title": "Python 3.13 3.13.10",
  "released": "2025-12-02T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2025-8291, high severity",
  "supported": true,
  "cveCount": 3,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00859,
  "maxCvss": 8.1,
  "appliesTo": [
    {
      "product": "Python 3.13",
      "productUrl": "https://patchblox.com/security/product/windows-app/python-3.13",
      "fixedVersion": "3.13.10",
      "latestVersion": "3.13.17",
      "supported": true
    }
  ],
  "supersededBy": {
    "product": "Python 3.13",
    "latestVersion": "3.13.17",
    "productUrl": "https://patchblox.com/security/product/windows-app/python-3.13"
  },
  "cves": [
    {
      "cveId": "CVE-2025-8291",
      "url": "https://patchblox.com/security/cve/CVE-2025-8291",
      "title": "ZIP64 End of Central Directory (EOCD) Locator record offset not checked",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.6,
      "epss": 0.00466,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-13837",
      "url": "https://patchblox.com/security/cve/CVE-2025-13837",
      "title": "Out-of-memory when loading Plist",
      "priority": "High",
      "severity": "Low",
      "cvss": 8.1,
      "epss": 0.00239,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-12781",
      "url": "https://patchblox.com/security/cve/CVE-2025-12781",
      "title": "base64.b64decode() always accepts \u0022\u002B/\u0022 characters, despite setting altchars",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.3,
      "epss": 0.00859,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}